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49 lines
2.1 KiB
49 lines
2.1 KiB
7 years ago
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commit 657c084cd6f69d6cc880c2ae65129a0723d053c5
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Author: Andreas Schwab <schwab@suse.de>
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Date: Mon Dec 5 12:06:46 2016 +0100
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Get rid of __elision_available
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Index: glibc-2.17-c758a686/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.c
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===================================================================
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--- glibc-2.17-c758a686.orig/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.c
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+++ glibc-2.17-c758a686/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.c
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@@ -52,11 +52,6 @@ int __rwlock_rtm_enabled attribute_hidde
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int __rwlock_rtm_read_retries attribute_hidden = 3;
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-/* Set when the CPU supports elision. When false elision is never attempted.
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- */
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-
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-int __elision_available attribute_hidden;
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-
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/* Force elision for all new locks. This is used to decide whether existing
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DEFAULT locks should be automatically upgraded to elision in
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pthread_mutex_lock(). Disabled for suid programs. Only used when elision
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@@ -71,10 +66,10 @@ elision_init (int argc __attribute__ ((u
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char **argv __attribute__ ((unused)),
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char **environ)
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{
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- __elision_available = HAS_CPU_FEATURE (RTM);
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+ int elision_available = HAS_CPU_FEATURE (RTM);
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#ifdef ENABLE_LOCK_ELISION
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- __pthread_force_elision = __libc_enable_secure ? 0 : __elision_available;
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- __rwlock_rtm_enabled = __libc_enable_secure ? 0 : __elision_available;
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+ __pthread_force_elision = __libc_enable_secure ? 0 : elision_available;
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+ __rwlock_rtm_enabled = __libc_enable_secure ? 0 : elision_available;
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#endif
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}
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Index: glibc-2.17-c758a686/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.h
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===================================================================
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--- glibc-2.17-c758a686.orig/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.h
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+++ glibc-2.17-c758a686/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.h
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@@ -35,7 +35,6 @@ struct elision_config
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extern struct elision_config __elision_aconf attribute_hidden;
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extern int __rwlock_rtm_enabled attribute_hidden;
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-extern int __elision_available attribute_hidden;
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extern int __pthread_force_elision attribute_hidden;
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/* Tell the test suite to test elision for this architecture. */
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